Recently, Puerto Ricans living in Spanish Harlem in New York feel themselves challenged by the influx of Mexican immigrants to the neighborhood. This would be an example of the threat of to an ethnic neighborhood.

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one way archaeology us understand the past is through the material objects it finds, allowing us to know what was being used, and when. for example a dig recently found a flute, believed to be the oldest musical instrument found to date.

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world war i had a devastating effect on german-americans and their cultural heritage. up until that point   german-americans, as a group, had been spared much of the discrimination, abuse, rejection, collective mistrust experienced by so many different racial and ethnic groups in the history of the united states. indeed, over the years, they had been viewed as a well integrated and esteemed part of american society. all of this change with the outbreak of war.  

haile selassie i was the emperor of ethiopia from 1930-1974